This file contains word sets for exploring the rules of plural nouns.
In the Montessori sequence of teaching the rules for plural nouns there are 10 boxes of words for exploration. This file has been updated and contains the 3 free sets (1-3) and word sets for boxes 4 to 10 for your convenience.
Also included are title cards and reference cards outlining each of the rules.
Boxes 1 - 3 are still available for free if you wish to view them >>> Plural Noun Boxes I - III